After many years in which evolution was the most contentious issue in science education, climate change is now the battle du jour in school districts across the country. The fight could heat up further in April, when several national bodies are set to release a draft of new science standards that include detailed instruction on climate change. The groups preparing the standards include the National Research Council, which is part of the congressionally chartered National Academies. They are working from a document they drew up last year that says climate change is caused in part by manmade events, such as...